# GREY WOLF INC

GREY WOLF INC is a company headquartered in Houston, TX, United States.

## Company overview

- **Legal name:** GREY WOLF INC
- **Former names in filing history:** DI INDUSTRIES INC (1995-04-28 to 1997-07-10)
- **Classification:** Company
- **Industry (SIC):** 1381 — Drilling Oil & Gas Wells
- **Headquarters:** Houston, TX, United States
- **Incorporated in:** TX
- **Fiscal year end:** December 31
- **SEC CIK:** 0000320186

## About

GREY WOLF INC is identified in the retained SEC EDGAR snapshot dated 2026-10-14. Its SEC Central Index Key is 0000320186, and its reported industry is Drilling Oil & Gas Wells. The retained history contains 12 filings, including 8-K filed on 2008-12-22. Each filing retains its accession, filing date and original SEC document link. This historical evidence does not establish current registration, listing, ownership or financial condition.

## Recent SEC filings

- Form 8-K — filed 2008-12-22 — period 2008-12-22 — FORM 8-K - CURRENT REPORT
- Form 8-K — filed 2008-12-16 — period 2008-12-16 — FORM 8-K
- Form 8-K — filed 2008-12-03 — period 2008-12-02 — FORM 8-K
- Form 10-Q — filed 2008-11-04 — period 2008-09-30 — FORM 10-Q - QUARTERLY REPORT
- Form 8-K — filed 2008-10-30 — period 2008-10-29 — FORM 8-K - CURRENT REPORT
- Form 8-K — filed 2008-10-10 — period 2008-10-10 — FORM 8-K - CURRENT REPORT
- Form 8-K — filed 2008-09-24 — period 2008-09-24 — FORM 8-K - CURRENT REPORT
- Form SC 13G — filed 2008-09-05 — SC 13G - - GREY WOLF INC
- Form 8-K — filed 2008-08-27 — period 2008-08-21 — FORM 8-K - CURRENT REPORT
- Form 10-Q — filed 2008-08-06 — period 2008-06-30 — FORM 10-Q - QUARTERLY REPORT
- Form 8-K — filed 2008-08-01 — period 2008-07-31 — FORM 8-K - CURRENT REPORT
- Form 8-K — filed 2008-07-15 — period 2008-07-15 — FORM 8-K - CURRENT REPORT

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Updated: 2026-10-23T22:21:44Z

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